How to Fix: Tunnelblick OpenVPN connection error

The Tunnelblick OpenVPN connection error on OSX El Capitan is a frustrating issue where changing WiFi networks prevents establishing a stable connection to the OpenVPN server. This problem affects users who rely on OpenVPN for secure and private internet browsing.

The workaround of restarting the computer or manually configuring network settings using terminal commands can be inconvenient, especially when traveling or working remotely.

⚠️ Common Causes

• The primary reason for this error is related to the way Tunnelblick handles UDP connections. When the user changes WiFi networks, the OpenVPN client needs to re-establish a connection with the server, but it struggles to resolve the IP address of the remote server. This results in the 'Waiting for a server response...' message and ultimately prevents the connection from being established.
• Another possible cause is the lack of routing table updates when switching WiFi networks. Tunnelblick relies on the routing table to establish connections with the OpenVPN server, but if it fails to update the table correctly, it can lead to connectivity issues.

🚀 How to Resolve This Issue

✨ Wrapping Up

To resolve the Tunnelblick OpenVPN connection error, users can try either manually configuring network settings using terminal commands or utilizing Tunnelblick's built-in restart option. By following these steps, users should be able to establish a stable connection to their OpenVPN server even when switching WiFi networks.